Image input and output method

Details Image input and output method Image input and output method

1991-03-13

1993-12-28

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Reduced time or bandwidth for static image communication

358430, H04N 141

Patent

active

052744620

ABSTRACT:
A image input/output method for reading fine input data without increasing the amount of information and for reproducing fine image data from the input data. Data is extracted from every nth pixel in a line of pixels. The extraction process is repeated for n lines of pixels while sequentially changing the phase of the pixels from which data is extracted for each of the n lines. A single data line is formed by combining the pixel data extracted from the n lines of pixels.

REFERENCES:
patent: 3974325 (1976-08-01), Wilmer
patent: 4291339 (1981-09-01), Ogawa et al.
patent: 4303947 (1981-12-01), Stoffel

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